发明名称 |
Machine for piercing a taphole for a shaft furnace |
摘要 |
PCT No. PCT/EP93/00013 Sec. 371 Date Sep. 19, 1994 Sec. 102(e) Date Sep. 19, 1994 PCT Filed Jan. 7, 1993.A machine is provided for piercing a taphole for a shaft furnace for applying the piercing rod method. The machine comprises a mounting (20), a drive means (42, 44), a clamp (34) for coupling the drive means to the rod (26) during its extraction. It is characterised by a push-member (34) transmitting the said thrust force to the rear end of the rod (26) during the insertion of the rod (26) into the taphole clay and by intermediate guides (55i) surrounding the rod (26) at several places during the insertion of the rod (26) into the taphole clay. The said guides (55i) being successively placed in a position in which they do not hinder the advance of the said push-member (34, 78) on the mounting (20).
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申请公布号 |
US5476250(A) |
申请公布日期 |
1995.12.19 |
申请号 |
US19940256932 |
申请日期 |
1994.09.19 |
申请人 |
PAUL WURTH S.A. |
发明人 |
LONARDI, EMILE;METZ, JEAN;MAILLIET, PIERRE;THILLEN, GUY;ANDONOV, RADOMIR;MALIVOIR, PHILIPPE |
分类号 |
C21B7/12;(IPC1-7):C21C5/48 |
主分类号 |
C21B7/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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